diff --git a/scripts/build.js b/scripts/build.js
index 08d9f65f..9bc27c60 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -16,7 +16,6 @@ yarn build core --formats cjs
 
 const fs = require('fs-extra')
 const path = require('path')
-const zlib = require('zlib')
 const chalk = require('chalk')
 const execa = require('execa')
 const { gzipSync } = require('zlib')
diff --git a/scripts/dev.js b/scripts/dev.js
index d21c3272..4a6b1e4f 100644
--- a/scripts/dev.js
+++ b/scripts/dev.js
@@ -17,8 +17,7 @@ __DEV__=false yarn dev
 */
 
 const execa = require('execa')
-const { targets, fuzzyMatchTarget } = require('./utils')
-
+const { fuzzyMatchTarget } = require('./utils')
 const args = require('minimist')(process.argv.slice(2))
 const target = args._.length ? fuzzyMatchTarget(args._)[0] : 'vue'
 const formats = args.formats || args.f